diff options
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2011-09-27 12:40:24 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2014-05-14 18:38:19 (GMT) |
| commit | 2c1931ea1d4afe7d9031f84151fcd1e0a906d5f7 (patch) | |
| tree | 9a3fb9b74e6bf77de40b1832e06c68b05c061343 /kernel/sched | |
| parent | b0b6961127cbf0d3274c0ae6af9e7aca37edad09 (diff) | |
| download | linux-fsl-qoriq-2c1931ea1d4afe7d9031f84151fcd1e0a906d5f7.tar.xz | |
sched: Do not compare cpu masks in scheduler
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Clark Williams <williams@redhat.com>
Link: http://lkml.kernel.org/r/20110927124423.128129033@goodmis.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/core.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index fdf5edd..7dde497 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2392,16 +2392,12 @@ static inline void update_migrate_disable(struct task_struct *p) */ mask = tsk_cpus_allowed(p); - WARN_ON(!cpumask_test_cpu(smp_processor_id(), mask)); + if (p->sched_class->set_cpus_allowed) + p->sched_class->set_cpus_allowed(p, mask); + p->nr_cpus_allowed = cpumask_weight(mask); - if (!cpumask_equal(&p->cpus_allowed, mask)) { - if (p->sched_class->set_cpus_allowed) - p->sched_class->set_cpus_allowed(p, mask); - p->nr_cpus_allowed = cpumask_weight(mask); - - /* Let migrate_enable know to fix things back up */ - p->migrate_disable |= MIGRATE_DISABLE_SET_AFFIN; - } + /* Let migrate_enable know to fix things back up */ + p->migrate_disable |= MIGRATE_DISABLE_SET_AFFIN; } void migrate_disable(void) |